The following tax rules expired at the end of 2011, but many likely will be extended for 2012. Keep you eyes on these items—some are personal, others are for business—so you can take advantage of them if they become available:
Approximately 51.5 million taxpayers have $3.5 trillion in assets in IRAs (including traditional IRAs, Roth IRAs, SIMPLE IRAs, and SEP IRAs). In 2005, for example, contributions totaled $57.4 billion and rollovers to IRAs were another $231.3 billion.
Source: Joint Committee on TaxationView all factoids